CN2601888Y - Safe children's armchair for automobile - Google Patents

Abstract

The utility model relates to a child safety seat installed on an automobile seat. It includes the seat assembly and safety restraints consisting of seat belts and seat belt buckles. The seat assembly is composed of a seat, a seat back that can slide relative to the seat, and an adjusting mechanism that adjusts the relative positions of the seat back and the seat. The adjustment mechanism includes a movable part, a tension spring and a pull rod with pull hooks at both ends of the movable part, a latch located on the movable part and inserted into the positioning hole of the chair back, and a spring lifted with the latch; There are 3-5 fixing holes. When in use, pull the handle to shrink the pin into the positioning hole and slide the back of the chair; align the positioning hole with the fixing hole according to the desired angle, and insert the pin into the fixing hole to fix the position of the chair back. It has the advantages of simple structure, safe and reliable use, comfortable seating, etc., and is suitable for being installed on various small cars.

Description

car child safety seat

Technical field

The utility model relates to a child safety seat installed on an automobile seat.

technical background

Seats and safety belt systems in existing vehicles are all designed for adults, and are too loose for children to use, which cannot achieve the purpose of comfortable riding and ensuring their safety. In addition, coupled with children's lack of self-protection awareness, children are extremely vulnerable to injuries in ordinary driving environments. For this reason, the State Intellectual Property Office announced on February 14, 2001 that the patent number is 992587263, a utility model patent titled "Child Safety Seat for Automobiles", which sets a sliding connection between the back of the seat and the seat. The connecting device can adjust the relative position of the seat back and the seat, select the appropriate inclination of the seat back according to the needs to achieve the purpose of comfortable seating, and configure the safety restraint device on the child seat itself to ensure that the car is rolled over. Children will not be injured in a frontal collision. Therefore, it preferably solves the above-mentioned existing problems. However, this solution also has some disadvantages: firstly, the connecting device has a complex structure, high cost, easy damage, and short service life; secondly, the adopted restraint system is not suitable for children; thirdly, the angle of the seat cannot be adjusted.

Contents of utility model

The purpose of the utility model is to provide a car child safety seat with simple structure, safer and more convenient use.

The technical scheme of the utility model is as follows: it includes a seat assembly suitable for children to take a seat and a pair of safety restraint devices composed of safety belts and safety belt buckles. The seat assembly is composed of a seat, a seat back that can slide relative to the seat, and an adjusting mechanism that adjusts the relative positions of the seat back and the seat. The regulating mechanism comprises a movable part, a pull spring and a pull rod at the two ends of the movable part, a latch that is positioned on the movable part and inserted in the positioning hole of the chair back, and a spring that lifts with the latch. Wherein one end of spring is fixed on the latch, and the other end is fixed on the bottom of the chair back, like this, can guarantee that latch expands and contracts in the positioning hole. The other end of pull rod is provided with handle, and handle is contained in the front end of chair back bottom, and the other end of extension spring is connected with chair back bottom. The seat seat is provided with 3-5 fixing holes along the direction of the pull rod at the relative latch position.

When in use, pull the handle to shrink the pin into the positioning hole, and slide the seat back; according to the weight of the child, choose an angle suitable for the child to sit on, align the positioning hole with the fixing hole, release the handle, and the pin will act under the action of the elastic force. Next, insert the pin into the fixing hole, thereby fixing the position of the seat back.

In order to ensure the safety of children, the utility model can also make the described buckle into a buckle seat and two left and right plugs that cooperate symmetrically with each other, so that the left and right plugs can be inserted into the buckle seat after being assembled. Divide the safety belt into two shoulder straps and a buckle belt; one end of the buckle belt is fixed in the middle of the front end of the bottom of the chair back, and the other end is connected with the buckle seat; one end of the shoulder belt is fixed on the bottom of the chair back, and the other end passes through The belt hole on the back of the chair back goes around the back of the chair back to the front end of the bottom, and is provided with a pull handle. The shoulder strap is provided with a locking device at the bottom of the chair back, and the locking device can adjust the length of the shoulder strap at the fastening position. The left and right bolts are respectively sleeved on two symmetrical shoulder straps. When in use, wrap the two shoulder straps around the shoulders of the human body, put the left and right pins together, insert them into the buckle seat, and then tighten the shoulder straps through the handle at the front end of the bottom of the chair back, and the straps will be secure. Safely fasten and protect the child in the seat, to ensure that the child is not injured in the car rollover and frontal collision.

Obviously, compared with the prior art, the utility model has the advantages of simple structure, safe and reliable use, comfortable seating, etc., and is suitable for being installed on various small automobiles.

Below in conjunction with the embodiment shown in the accompanying drawings, the utility model is described in further detail.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is an enlarged sectional view of the adjustment mechanism in Fig. 1 .

Fig. 3 is a three-dimensional schematic diagram of the adjustment mechanism of the present invention.

Fig. 4 is a schematic diagram of the three-dimensional structure of the locking device of the present invention.

Fig. 5 is a state diagram when the locker is released when the cross section is taken along the direction B-B of Fig. 4 .

Fig. 6 is a state diagram of the locked rear lock when viewed in the direction of B-B in Fig. 4 .

Fig. 7a, Fig. 7b and Fig. 7c are schematic diagrams of three states during the fastening process of the fastener of the present invention.

Fig. 8 is a schematic structural view of the utility model equipped with a wedge block.

Fig. 9 is a schematic diagram of a wedge block mounted on the front.

Detailed ways

Referring to FIG. 1 , a car child safety seat includes a seat assembly suitable for a child and a pair of safety restraint devices consisting of a seat belt 2 and a seat belt buckle 1 . The seat assembly is composed of a seat 4 and a sponge pad, a seat back 3 that is placed on the seat 4 and can slide relative to it, and an adjustment mechanism 8 that adjusts the relative positions of the seat back 3 and the seat 4.

Referring to Fig. 2 and Fig. 3, the adjustment mechanism includes a movable part 8-2, the extension spring 8-1 and the pull rod 8-5 hooked at the two ends of the movable part 8-2, and the other end of the extension spring 8-1 is fixed on the seat 4 bottoms, the other end of pull bar 8-5 is connected with handle 8-6, and handle 8-6 is contained in the front end of chair back 3 bottoms; The latch 8-3 that is " n " shape is buckled on the work piece 8-2, and latch The crossbar of 8-3 is hooked with spring 8-4, and the other end of spring 8-4 is fixed on the bottom of chair back 4, and the plug of latch 8-3 stretches out the positioning hole at the bottom of chair back 3 under the action of spring 8-4 Inside. When pulling the handle 8-6, the pull bar 8-5 pulls the movable part 8-2 to move up, and the movable part 8-2 drives the expansion and contraction of the latch 8-3, thereby reaching the expansion and contraction of the control latch 8-2. There are several fixing holes 9 along the pull bar 8-5 direction relative to the latch 8-3 position at the bottom of the seat base 4, and the fixing holes 9 are generally three, and may also be four or five as required. When the chair back 3 slides relative to the seat 4 and the latch 8-3 is opposite to the fixing hole 9, the latch 8-3 can be inserted into the fixing hole 9 under the action of elastic force, thereby fixing the position of the chair back 3 relative to the seat 4. Location. Above-mentioned pull bar 8-5 can be made double bar, to ensure the stability of live part 8-2 activity.

The seat belt buckle 1 in the safety restraint device is composed of a buckle seat 1-2 and two separate left and right plugs 1-1a, 1-1b that can be combined into one, the left plug 1-1a and the right plug 1-1 After 1b is combined, it can be inserted into the buckle seat 1-2 and fixedly connected, see Fig. 7a, Fig. 7b and Fig. 7c. The safety belt 2 is composed of two shoulder belts 2-1 and a buckle belt 2-2, the left plug 1-1a and the right plug 1-1b are respectively set on the two shoulder belts 2-1, and the buckle seat 1-2 is fixed on the buckle belt On one end of 2-2, the other end of buckle 2-2 is fixed in the middle of the front end of chair back 3 bottoms. One end of the shoulder strap 2-1 is fixed on the bottom of the chair back 3, the other end passes through the belt hole 3-1 on the back of the chair back 3, goes around the back of the chair back 3 to the front end of the bottom, and is equipped with a pull handle 10 at the front end, and the back of the chair 3 The belt hole 3-1 of the back is generally provided with high, medium and low three, and the belt hole 3-1 that strap 2-1 will wear is determined depending on the height of the child. The shoulder belt 2-1 is provided with a locking device 7 at the bottom of the chair back 3, and the locking device 7 is used to adjust the stretching length of the shoulder belt 2-1. Referring to Fig. 4, Fig. 5 and Fig. 6, the locking device 7 is movable fixed on the lock case 7-1 by the lock case 7-1 with a pivot pin 7-4, with a serrated clamping block 7-2 and sleeved on the lock case 7-1. On the shaft pin 7-4, the sawtooth part of the clamping block 7-2 is clamped on the button spring 7-3 on the lock housing 7-1 and the loose belt 7 connected with the clamping block 7-2 through the ring buckle 7-2a -5 composition. The shoulder strap 2-1 is passed between the lock case 7-1 and the locking block 7-2, and is fastened on the lock case 7-1 under the action of the button spring 7-3. If the shoulder strap 2-1 is to be adjusted, as long as the handle 7-6 at the top of the slack strap 7-5 is pulled, the clamping block 7-2 is reversed to an angle, and the shoulder strap 2-1 can be pulled.

Seat 4 can be made into two slope-shaped bottom surfaces and a slanted wedge block 6 that can be combined in a movable manner is installed on one side of the slope-shaped bottom surface. The rear portion of the seat, so that the angle of the seat 4 can be adjusted on the one hand, and the slippage of the seat 4 can also be prevented on the other hand, referring to Fig. 8 and Fig. 9 .

Claims (7)

1. A car child safety seat, which includes a seat back (3), seat seat (4) and a seat back (3) and seat seat (4) that are suitable for children to adjust the relative positions of the two The seat assembly composed of the adjustment mechanism (8) and a pair of safety restraint devices composed of the safety belt (2) and the safety belt buckle (1), are characterized in that: the adjustment mechanism (8) includes : work piece (8-2), draw hook is at the extension spring (8-1) of work piece (8-2) both sides, pull bar (8-5), is positioned at work piece (8-2) and is inserted in the chair back (3) The pin (8-3) in the positioning hole, and the spring (8-4) lifted with the pin (8-3), one end of the spring (8-4) is fixed on the pin (8-3) The other end is fixed on the bottom of the chair back (3), the front end of the pull rod (8-5) is provided with a handle (8-6), and the rear end of the handle (8-6) and the extension spring (8-4) is connected to the chair back (3) connection; the seat (4) has 3-5 retaining holes (9) along the direction of the pull rod (8-5) relative to the latch (8-3). 2. The car child safety seat according to claim 1, characterized in that: said pin (8-3) is "n" shaped. 3. The car child safety seat according to claim 1 or 2, characterized in that: the buckle (1) consists of a buckle seat (1-2) and two left plugs (1-2) that are symmetrically matched to each other. 1a) and the right plug (1-1b), the safety belt (2) is composed of two shoulder straps (2-1) and a buckle (2-2), wherein the buckle (2-1) One end is fixed in the middle of the front end at the bottom of the chair back (3), and the other end is connected with the buckle seat (1-2); one end of the shoulder strap (2-1) is fixed at the bottom of the chair back (3), and the other end passes through the chair back ( 3) The belt hole (3-1) on the back goes around the back of the chair back (3) to the front end of the bottom, and a pull handle (10) is provided. The shoulder belt (2-1) is provided with a lock device (7). 4. The car child safety seat according to claim 3, characterized in that: said locking device (7) is mounted on the lock case (7-1) by a pivot pin (7-4) 7-1) on the clamping block (7-2) and the torsion spring (7) that is sleeved on the shaft pin (7-4) so that the clamping block (7-2) is clamped on the lock housing (7-1) -3) and a slack belt (7-5) connected to the clamping block (7-2), the shoulder strap (2-1) passes through the lock housing (7-1) and the clamping block (7- 2) Between. 5. The car child safety seat according to claim 4, characterized in that: the clamping block (7-2) is made in a zigzag shape relative to the shoulder belt (2-1). 6. The car child safety seat according to claim 1 or 2, characterized in that: the bottom surface of the seat (4) has two slopes, and one of the slopes is equipped with a movably fitted wedge (6). 7. The car child safety seat according to claim 3, characterized in that: the bottom surface of the seat (4) has two slopes, and one of the slopes is equipped with a movably fitted wedge (6).

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